it will give an opportunity for mitt romney, he hopes, romney hopes to call out the president on some of the deceptions of his positions. mitt romney has argued that he does not support abortion with the exception of rape and incest and life of the mother. barack obama campaign has suggested romney shares paul ryan's view that doesn't have exception. he says the auto bailout, so that is romney is looking for and in case of president obama. what he with a really wants to do is make sure this doesn't become a discussion in the last three and a half years but a discussion how the next four years would be spent in a choice for the voters between the romney obama agenda. >> gregg: all right. carl cameron, thanks very much. >> president obama arriving in las vegas moments ago. we'll have a live report a bit later in the newscast. >> heather: meantime, controversy growing over the deadly attack in libya. into new calls investigation in assault that killed chris steens and three other americans. more questions are being raised over the obama administration's official version of what happened.